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MariettaO [177]

2 years ago

15

The sum of the digits of a two-digit number is 13. Twice the first digit is 1 less than the second digit. What is the two digit

number. Create a system of equations and solve.

1 answer:

Alex2 years ago

4 0

Answer:

6 and 7

Step-by-step explanation:

10(13-X) + X= 13-9X. 3×2=6. 7-6=1. 7+6=13

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